Automatic winder and doffer for forming large cheeses



May 14, 1968 I. c. HOWES ETAL AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES 6 Sheets-Sheet 1 Filed Oct. 2'2, 1965 y 1968 I. c. HOWES ETAL. 3,383,060

AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES Filed Oct. 22, 1965 6 Sheets-Sheet i5 May 14, 9 1. c. HOWES ETAL.

AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES 6 SheetsSheet 4 Filed Oct. 22, 1965 12304522303 13.- Ivzz G. mwea, Jawgues Gmq'guizjarw, by +4 d fliioflzzegs May 14, 1968 l. c. HOWES ETAL AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES 6 Sheets-Sheet Filed Oct. 22, 1965 ues azwjgmm tlHowes',

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6 Sheets-Sheet 6 May 14, 1968 AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES Filed Oct. 22, 1965 Invenioam; 15 12222 llHoww,

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United States Patent 3,383,060 AUTOMATIC WINDER AND DOFFER FOR FORMING LARGE CHEESES Irving C. Howes, North Andover, and Jacques Guiguizian,

Havel-hill, Mass, assignors to Davis & Furber Machine Company, North Andover, Mass, a corporation of Massachusetts Filed Oct. 22, 1965, Ser. No. 500,591 Claims. (Cl. 242--54.4)

ABSTRACT OF THE DISCLOSURE An apparatus for winding and doffing large cheeses of roving material, having a strip of card clothing extending the axial length of the jack spools on which roving is wound to break the roving away from a filled jack spool and concomitantly to engage the broken roving ends and start the winding of the rovings on the empty spool. The filled jack spools are moved by gravity to a dotting position where they actuate switch means for releasing the spool retaining latches in the empty jack spool magazine to present a new spool in the winding position.

This invention relates to textile machinery and is particularly concerned with a machine for winding roving into one or more large cheeses on a jack spool. The roving forming the cheeses is delivered to the winding machine from rubbing aprons located at the discharge end of a carding machine. The jack spool may be of any selected length according to the number and width of cheeses to be wound thereon.

The invention may be used with woolen, worsted or cotton carding machines with which are associated conventional means for dividing the wide web that is discharged from the dofier into a plurality of narrow webs. These webs are condensed and delivered to the cheese winding machine of the present invention.

The herein disclosed winding machine also includes novel mechanism for adjustment of the stroke of the delivery ends of the roving tubes whereby the width of the cheese may be made to match the gauge of the spinning frame with which the loaded jack spool will be used.

In the preferred situation, the width or thickness of the cheese should be the same as the gauge of the spinning frame. Except in cases where only a few cheeses were on the jack spool, this was not possible of accomplishment in a winding machine in which the jack spools were at right angles to the carding machine. The present machine having the jack spools parallel to the carding machine can utilize spools of any required length to give the necessary cheese thickness. It is contemplated that short jack spools with one or two cheeses thereon may be efiiciently used with some types of spinning frames. In more conventional arrangements, the jack spool may support a greater number of cheeses, such as eight, for example. The machine is capable of producing a cheese much larger in diameter and of greater weight than those heretofore available so that the subsequent spinning operation may continue for a much longer time before dofiing or supplying a new spool of cheeses.

The invention also includes means for automatic dofling of the jack spool when the cheeses have reached 3,383,060 Patented May 14, 1968 the maximum required size followed by automatic positioning of an empty jack spool on the traction roller. In the preferred arrangement, doffing will occur when the cheeses have reached a predetermined diameter. However, other controls for cheese sizes could be used, such as yardage of roving, weight of roving, or number of revolutions of the jack spool. These variations may be achieved by known means, such as counters or automatic weighing units. Each jack spool is provided with means which will result in automatic pick up of the continuously advancing roving being delivered thereto through a plurality of pipes by air induced suction means. The arrangement is such that the winding machine can be loaded with several empty jack spools. Each jack spool when filled with cheeses is automatically dotted to be thereafter removed at the operators convenience. This is possible because there is a substantial time interval between the commencement of winding of new cheeses on the newly positioned empty jack spool and the dotted filled jack spool.

The invention also includes novel means incorporated as a permanent part of each empty jack spool which acts to break the ends trailing from the cheeses of the preceding filled spool and simultaneously to pick up the leading ends of the broken roving to start winding them on the new spool. Additionally, the construction for achieving this result does not interfere with the axial removal from the jack spool of the small residual quantities of roving remaining thereon when the jack spool is removed from the spinning frame after the cheeses have been substantially consumed in the spinning operation.

These and other objects of the invention will be more fully understood as the description proceeds with the aid of the accompanying drawings in which:

FIG. 1 is a vertical section taken on line 11 of FIG. 2 disclosing the jack spool magazine, various stages in the development of the cheeses, and a showing of the dofied position of the filled jack spools;

FIG. 2 is a plan view taken approximately on the line 2-2 of FIG. 1 showing the position of the winding apparatus in relation to the rubbing aprons. Half of the web output will be wound into cheeses by the two units on the left from which, for clarity, the top cover has been removed. The other half of the output will be wound into cheeses by the two units indicated on the right;

FIG. 3 is an end view of one of the units looking from the bottom upwardly in FIG. 2;

FIG. 4 is an end view ofone of the units looking from the top downwardly in FIG. 2;

FIG. 5 is a vertical section drawn to enlarged scale taken approximately on the line 55 of FIG. 3 showing the cam mechanism for causing oscillation of the delivery ends of the roving tubes;

FIG. 6 is a plan view of FIG. 5 broken away in part;

FIG. 7 is an end elevation of FIG. 5 looking from the left with the housing broken away in part;

FIG. 8 is a side elevation, broken away in part, of an empty jack spool, showing the means for picking up the roving ends to commence winding; and,

FIG. 9 is an end view of FIG. 8.

Referring first to FIG. 2, the invention is shown in plan view in relation to a carding machine dofier 2 from which the fibers are delivered to a condenser and rubbing aprons 4. The sub-divided rovin gs are then delivered pneumatically through a series of pipes d to jack spools 8. The ends of pipes 6 are arranged to be oscillated back and forth horizontally so that the roving when wound on jack spools 8 will produce a plurality of side-by-side cheeses shown in their initial stage at 12. In FIG. 2, the jack spools 8 show eight cheeses on each spool which preferably are of a thickness which matches the spinning frame gauge.

The Winding machine comprises end frames 14 and 16 and an intermediate frame 18. These frames are vertical and carry the traction or drive rolls 22 (preferably a single unit) as well as the sloping supports for the ends of the jack spools. Additionally, as best seen in FIG. 1, the frame members carry the magazine for empty jack spools awaiting their turn to be filled.

Referring now to FIGS. 1 and 2, the terminal ends 10 of the pipes 6 are preferably made of flexible material such as polyethylene so that they may swing back and forth. The ends are secured by clamps 24 to a longitudinally extending rods 26 in such manner that as the rod is caused to move back and forth by cam mechanism which will be described hereinafter the discharge ends 13 of the pipes 6 will traverse a distance equal to the required thickness of the cheeses. Clamps 24 may be shifted at will along the length of rod 26 so that the cheeses may be correctly located on the jack spool. Such changes would normally be made in cooperation with changes in the stroke of rod 26. The cheeses preferably but not necessarily will be closely adjacent each other .on the jack spool.

The roving indicated at 28 in FIG. 1 is delivered from the ends of pipes 10 to the nip between the upper side of the traction roller 22 and the initially empty jack spool 8. Each jack spool has a longitudinally extending groove therein indicated at 32 in which is positioned a strip of card clothing 34 (see details in Fl'GS. 8 and 9). The wires .of the clothing extend a short distance above the adjacent surface of the jack spool so that as the spool is rotated by traction roller 22, the roving 28 when initially fed therebetween will be picked up by the wires 34 of the card clothing to be held to the spool so that winding of the roving on the spool commences automatically.

As can be seen in FIG. 2, each jack spool 3 has short axles 36 extending therefrom which rest on sloping supports 38. These supports are suitably affixed to the inner faces of the frames 14, 16 and 18. Tie rods 40, 42, 44 and 46 hold the frames together.

As the cheeses grow in diameter, being constantly rotated by the traction roll, the axles 36 gradually move outwardly along the supports 38. In due course, the increased diameter of the cheeses, which are now fully built up on the rotating jack spool, as indicated at 48 in FIG. 1, causes the axles 36 to fall off the outer ends of supports 38. The loaded jack spool drops on the lever 50, which is in the form of a plate hinged at 52. This causes actuation of an electrical switch 54 and operation of other mechanism which will now be explained.

The falling of the loaded jack spool may or may not cause the several ends of rovings being wound thereon to break. If breakage has occurred, then the broken roving ends feeding over the traction roller 22 from the suction pipes will be picked up by the card clothing strip 34 of the next empty jack spool when it has been dropped into rotating position on the traction roll to start the new windings thereon.

In the other case in which the roving ends have not been broken upon the falling of the filled jack spool, the strip of clothing 34 in the next empty jack spool will automatically engage the unbroken rovings, seize them and as winding starts break them away from the filled spool.

Thus, the card clothing strip 34 positioned in each jack spool is effective to pick-up and start the windings of the rovings on the empty spool whether or not the rovings were broken when the previously filled package dropped from the supports 38.

The mechanism whereby the next empty jack spool is placed in position on the traction roll 22 will now be explained.

On the inner faces of the supporting frames 14 and 16 and on both sides of middle frame 18, are sloping tracks 56, one of which is shown in FIG. 1. These tracks act as a magazine serving to carry a reserve supply of empty jack spools 58, 60 and 62. The leading jack spool 58 unged downwardly by gravity and the pressure of the spools behind it is prevented from further descent along tracks 56 by a pair of latches 64, one at each end, which are pivoted at 66 and have a rearward extension 68. The forward end of each latch 64 is connected by a link 7 ii to a lever arm 72 which may be actuated to Swing upwardly by a solenoid 74. Both solenoids are controlled by switch 54. Thus when switch 54 is closed by the falling of a filled jack spool, both latches 64, pivoting at 66, are swung upwardly to free the axles of jack spool 58, while at the same time the descent of the rearward extensions 68 inter cepts the axles of jack spool 60, preventing its movement along tracks 56 temporarily. As soon as jack spool 53 is freed, it advances to the end of tracks 56 and then drops downwardly guided by the U-shaped track '76, coming to a halt in a position where it is in longitudinal engagement with traction roll 22. Traction roll 22 is turning continuously and accordingly the new jack spool 58 now residing against the traction roll commences rotation with the longitudinally extending strip of card clothing 34 being effective to pick up simultaneously all of the ends of the roving 28 as they are delivered by pipe ends 16 to the nip between traction roll 22 and jack spool 8. Winding .of the roving as indicated at 12 in FIG. 2 then commences on the new jack spool and continues until the cheeses have grown to the full required size as shown at 43.

The previously filled jack spool that had dropped onto plate St} to actuate switch 54 promptly rolls down to the position indicated at 78 in FIG. 1, resting on the sloping supporting surface 80 and held in that position by a longitudinally extending bar 82. Bar 32 is carried by arms 84 which are pivoted at 86 and held in generally horizontal position by compression springs 88. When the operator desires to remove the filled jack spool 73 from the machine for delivery either to storage or a spinning frame, the bar 82 may be depressed through compression of springs 88, thus making it relatively easy to roll the cheeses outwardly over the top of bar 82.

With the filled jack spool in the position 7 8 in FIG. 1, the switch 54- will be opened to de-energize solenoids "74 so that the latches 64 return to their original positions. This releases the axles of jack spool 60 previously intercepted by the rear extension as so that jack spool 60 can roll forward to the position originally occupied by jack spool 58.

It will be appreciated that the foregoing description of the mechanism in the upper half of FIG. 1 is equally applicable to the mechanism in the lower half of FIG. 1, the parts being identical and the operation the same. Thus in considering FIG. 1 and the left side of FIG. 2, it will be understood that four jack spools may be in simultaneous operation, two at the upper level and two at the lower level. These four jack spools (assuming eight cheeses on each spool) would be fed by 32 pipes in two banks of 16 leading from the aprons 4. Correspondingly, four more jack spools would be simultaneously in operation in frames 90 and 92. Frames 9t? and 92 would be fed by the required number of pipes 93 leading away from the righthand side of aprons 4- as viewed in FIG. 2. It is to be emphasized, however, that the number of pipes feeding roving to the jack spools may be varied at will to give the correct number of cheeses on each jack spool and the thickness of the cheeses will be determined by the ex tent of the oscillating stroke of the ends 10 of the pipes 6.

An explanation will now be given of the mechanism that causes oscillation of the pipe ends 10. Reference will be made only to the upper rod 26 as lower rod 26 oper ates in identical manner. As can be seen in FIG. 2, the rod 26 extends the full length of the two adjacent frames. The rod is mounted in suitable bearings (see FIG. 5) in the vertical frames 14, 16, and 18. On the rod 26 are the adjustable clamps 24 to which are secured the ends 10 of the pipes 6. A novel cam means generally indicated at 96 causes the rod 26 to oscillate back and forth with a stroke that Will correspond to the required cheese thickness. The details of cam mechanism 96 are shown in FIGS. 5, 6 and 7. It will be understood that the lower rod 26' is driven by an identical cam units 96. Power reaches these units through drive mechanism shown in FIGS. 3 and 4 by which all of the elements, commencing with the aprons and running to the traction rolls and cam means, are kept in timed relation. One of the shafts of the aprons 4 has an extension 98 (see FIG. 4) on which is pulley 100. This pulley through belt 102 drives a lower pulley 194 mounted on shaft 106. A sprocket 108 on shaft 106 drives sprocket 112 on shaft 114 through chain 110. On shaft 114, which extends the length of the frames, is mounted the lower traction roll 22. On the other end of shaft 114 (see FIG. 3) is a gear 116 located on the outer face of frame 16. This gear drives chain 118 and a corresponding upper gear 120 which is keyed to the outer end of an upper shaft 122 on which is mounted the upper traction roll 22. This arrangement, of course, results in peripheral speeds of upper and lower traction rolls 22 which are exactly related to the roving delivery speed of aprons 4. In practice the peripheral speed of the traction rolls is Slightly greater than the delivery speed of the aprons so that a slight amount of draft will be applied to the roving as it is wound into cheeses.

The following description of upper cam means 96 driven by shaft 122 is equally applicable to lower cam means 96' driven by shaft 114. Referring now to FIGS. 5, 6 and 7 in detail, traction roll shaft 122 has mounted on its outer end a gear 124 which meshes with gear 126 keyed to jack shaft 128. Shaft 12-3 is mounted for rotation in a housing 130 in bearings 132 and 134. Suitable brackets 135 on the frarne 16 support the housing in proper position. Fixed on shaft 128 is a cam 136 having therein a track 138 of such configuration as to produce through intermediate means movement in the rod 26 which preferably will be of constant velocity in each direction with substantially instantaneous reversal at the end of the stroke. This causes a winding pattern in the cheeses which is desirable in that there is no substantial increase in the diameter of the cheeses at the edges as compared with the diameter at the center.

In cam track 138 resides a follower 146 mounted on carrier 142 which is arranged for sliding oscillating movement on a pair of guide rods 144. On the outer longitudinal edge of carrier 142 is secured a rack 146 by screws 14S. Rack 146 engages the smaller gear 150 of a gear unit 152 in which the other larger gear is numbered 154. This gear unit 142 is mounted for rotation on a vertical shaft 156 suitably secured to the housing 139.

The large gear 154 is in engagement with a rack 158 which is fastened by screws 166) to a downward extension 161 of an upper carrier 162. Carrier 162 is mounted for sliding movement on bars 164. On the top of carrier 162 is a vertical stud 166 which extends through a suitable opening in the end of shaft 168 which is connected at 170 with the end of rod 26. Thus as the traction rolls 2?. are rotated at proper speed in relation to the aprons 4, so will the ends 11 of pipes 6 be oscillated at a frequency to give satisfactory traversing of the roving as each roving end is wound into cheese formation. The frequency of oscillations of the rod 26 may be varied by changing gears 124 and 126. The length of the stroke may be increased or decreased in the following manner. Upon removal of top cover plate 171 and side cover 173, ear unit 152 may be removed and a new unit substituted with a different gear ratio between the lower and upper gears 150 and 154. As the number of teeth in gear 154 are increased with respect to gear 150, so will the stroke of rod 26 be increased whereas if the teeth 154 are decreased relatively so will the stroke of rod 26 be decreased. The racks 146 and 158 may be correspondingly shifted on carriers 142 and 162 to make proper engagement with the teeth 150 and 154 by the insertion or removal of a suitable shim -or by replacement with racks of suitable dimensrons.

The housing 130 within which cam 136 rotates is normally partially filled with lubricant so that the cam follower 140 may move back and forth with a minimum of friction. A plug 175 may be removed when draining and cleaning are deemed necessary.

To facilitate positioning of the frames wit-h respect to the aprons, they may be mounted on wheels as shown in FIG. 1. One pair of wheels 174 may run on the floor or metal track 176. The other pair of wheels may be grooved to run on and be guided by track 180. This arrangement will prevent shifting of the angular position of the frames during operation. At the same time if repairs are to be made, each frame may be rolled away from its location adjacent the aprons.

It will be understood, of course, that the entrance ends -of pipes 6 are supported in any convenient manner adjacent the discharge side of the aprons to be in a position to receive the roving. One such mechanism is shown in the patent to Bastin 2,608,724.

Compressed air is used to cause the roving 28 to travel through pipes 6 from the aprons to the discharge ends 115 and thence to a position between traction roll 22 and jack spool 12. As can be seen in FIGS. 1 and 3, compressed air lines 182 lead into the sides of the pipe ends 10. The air is directed toward the discharge end of the pipe. This induces a negative pressure in the pipes 6 so that the ends of roving coming from the aprons 4 may readily be directed into the entering ends of pipes 6, the sucking action in each of the pipe gently pulling the roving along until it reaches the position of the compressed air pipe 182, after which it is driven by the outflowing air the remainder of the way to its position over traction roll 22.

The air hoses 182 are preferably fed from a common source. There may be a single valve for shutting off all of the air lines simultaneously or they may be valved individually if desired. The air pressure required is low so the power needed top roduce the necessary flow of air is small.

Reference is now made in more detail to the arrangement of the wires of the card clothing shown in FIGS. 8 and 9. In the preferred construction the bends in the wires 34 are at right angles to the position the wires would assume when in use on a carding cylinder. The outer ends slope toward one end or the other of the jack spool, permitting any residual quantities of roving to he slid from the spool in the direction of the slope of the wires. In FIG. 8, the wires are in two sections, half with ends sloping to the right from the middle, half with ends sloping to the left. This make removal of residual quantities somewhat easier, considering the length of the average jack spool.

It is intended to cover all changes and modifications of the exampl s of the invention herein chosen for purposes of the disclosure which do not constitute depar-' tunes from the spirit and scope of the invention.

We claim:

1. Means for winding roving being delivered by a carding machine into one or more side-by-side cheeses on a jack spool, said means comprising a plurality of pipes having open entrance and delivery ends, the said entrance ends positioned to receive the divided web, gaseous means for inducing travel of roving through said pipes, means for moving the delivery ends of said pipes back and fourth for a distance equal to the required width of the cheese, a traction roller, a jack spool having cylindrioal extensions at the ends thereof, said jack spool initially engaged and rotated by said traction roller, supports for the said extensions of said jack spool, the nip between said traction roller and jack spool being located at a position to receive the rovings as they are delivered from the delivery ends of said pipes, means on said jack spool for simultaneously gripping said rovings and causing said rovings to commence winding on said jack spool as the jack spool is rotated by engagement with the rotating traction roller, the supports for the extensions of said jack spool loping upwardly and away from said traction roller, whereby when tr e cheeses being wound on said jack spool have reached a predetermined diameter the extensions of said jack spool will move beyond the ends of said supports and said jack spool and cheeses thereon will fall downwardly away from the position of engagement against said traction roller, a magazine for empty jack spools located generally above said traction roller, means actuated by the descent of the filled jack spool for triggering the release of an empty jack spool from said magazine to permit it to descend to operative position against said rotating traction roller whereby a new set of cheeses will commence to be wound on said newly positioned empty jack spool.

2. In a machine including a traction roller for winding roving into cheeses on a jack spool in which the jack spool has cylindrical ends extending beyond the cheeses, means for automatically supplying an empty jack spool to operative position against said traction roller immediately following removal of the previous jack spool and the completed cheeses there-0n, said means comprising supports for the said ends of said previous jack spool during the winding of the roving thereon, the said supports having an effective length substantially equal to half the diameter of the completed cheeses whereby said previous jack spool will fall free of said supports when the cheeses have been completed, a jack spool magazine above said traction roller in which an empty jack spool may be stored for use immediately following the completion of the cheeses on the preceding jack spool, latch means for restraining said empty jack spool in said magazine, means actuated by the falling filled previous jack spool for releasing said latch means, means for guiding said empty jack spool from said magazine to operative position against said traction roll, and means for resetting said latch means to restrain the next empty jack spool in said magazine until the next set of cheeses have been wound on the jack spool then in cooperation with said traction roller and have fallen from said supports.

'3. The combination of a jack spool storage magazine and a winding machine which includes a traction roller for rotating and winding roving into cheeses on a jack spool placed there'against, said magazine comprising sloping supporting means having a discharge end and on which means a plurality of empty jack spools may be placed in successive relationship, means at the said discharge end for restraining the jack spools from movement along said supporting means so long as a preceding jack spool is in winding position against said traction roller, spool guiding means extending from said magazine downwardly to said traction roller, means actuated by the descent of a cheese filled jack spool for releasing s aid restraining means to permit movement of said first empty jack spool from said magazine downwardly along said guiding means to a position against said traction roller, other means simultaneously actuated to limit the advance of the second empty jack spool to lead position in said magazine while said first empty jack spool is descending to winding position against said traction roller and means for restoring said restraining means to a position to hold said second empty jack spool at the said discharge end until said first empty jack spool has been filled and said restraining means has again been re leased by descent of said newly filled jack spool.

4. In a machine for winding roving into cheeses in which the roving is traversed back and forth as it is wound on a jack spool rotated by a traction roller, traversing means comprising a rod extending the length of and parallel to said roller, roving carrying pipes afiixed to said rod, means for causing reciprocation of said rod and pipes over a stroke equal to the cheese thickness, said reciprocation means comprising a ca m and follower, said cam rotating in timed relation with said roller, 21 first carrier reciprooated by said follower, a rack on said first carrier, a second carrier attached to and mounted for reciprocation in the direction of the axis of said rod, a rack on said second carrier, and gears interposed between said racks for causing the stroke of said rod to be distance equal to the required cheese thickness while the stroke of said follower and first carrier remain constant.

'5. In a machine for winding rovings on a jack spool to form a group of adjacent cheeses, .a magazine for empty jacl: spools, a traction roller below said magazine, means for delivering an empty jacl: spool from said magazine to operative position against said traction roller, means for delivering a plurality of rovings to the nip of said traction roller .and said empty jack spool, means for causing said rovings to he traversed hack and forth as they are being wound on said jack spool, and means integral with each said empty jack spool for automatically breaking the rovings of completed cheeses upon removal of the preceding filled jack spool and for instituting winding of leading ends of the broken rovings on the newly positioned empty jack spool.

6. Means for causing roving being fed to the nip of a traction roller and empty jack spool to commence winding on said spool, said means comprising a strip of card clothing comprised of conventional wires positioned in a longitudinal groove in the spool surface, said wires having their ends sutliciently above the spool surface to engage and hold the roving ends as the spool is rotated by said traction roller, the outer ends of said wires sloping in the direction of said longitudinal groove, the slope of the ends of the said wires permitting residual quantities of roving remaining after consumption of the roving on the spool at the spinning frame to he slid axially from the spool in the direction only of the slope of the wire ends over which the roving lies.

7. The means set forth in claim 6 in which the said clothing is arranged with the slope of the wires reversed over adjacent portions of the spool, whereby the residual quantities of roving may he slid from the spool toward both ends.

8. Means for forming roving being delivered by a carding machine into a plurality of cheeses comprising: a jack spool operatively positioned in surface contact with an adjacent parallel drive roller; means for rotating said drive roller, thus causing rotation of said jack spool; means for carrying roving from the discharge end of said carding machine to a plurality of spaced outlets adjacent said jack spools; means on said jack spool for gripping the roving emerging from said outlets, said gripping means comprising a strip of card clothing embedded in a groove extending the length of the spool surface, said card clothing having conventional wires extending above the said spool surface thus causing the roving to he wound thereon in the form of a plurality of side by side cheeses; and means for reciprocating said outlets in a direct-ion parallel to the rotational axis of said jack spool through a stroke equal to the width of the cheeses being formed thereon.

9. The construction set forth in claim 1 in which said means on said jack spool for simultaneously gripping said roving and causing said rovings to commence winding on said jack spool comprises a strip of card clothing po- 9 l0 sitioned in .a longitudinal groove in the spool surface and References Cited sufiiciently thereabove to engage and 'hold the roving ends as the spool is rotated by said traction roller. UNITED STATES PATENTS 10. The construction set forth in claim 5 in which the 561,220 39 Gessner 19. 12 means integral with each said empty jack spool for auto- 5 2 608,724 9/1952 Bastin matioally breaking the rovings of completed cheeses corn- 2684 505 7/1954 Duesberg 19 108 prises a strip of card clothing of conventional wires positioned in a longitudinal groove in the said spool surface, 2,968,446 1/1961 Selby said wires having their ends sufficiently above the spool 2,983,456 5/ 196 1 Werner et al. 242-54.4 surface to engage and hold the roving end as the spool 10 is rotated by said traction roller. LEONARD D. CHRISTIAN, Primary Examiner. 

